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2081471 = 72107397
BaseRepresentation
bin111111100001010111111
310220202020112
413330022333
51013101341
6112340235
723456300
oct7741277
93822215
102081471
1111a1927
1284467b
1357b552
143c27a7
152b1aeb
hex1fc2bf

2081471 has 12 divisors (see below), whose sum is σ = 2450088. Its totient is φ = 1762992.

The previous prime is 2081467. The next prime is 2081473. The reversal of 2081471 is 1741802.

It is not a de Polignac number, because 2081471 - 22 = 2081467 is a prime.

It is a super-3 number, since 3×20814713 = 27054053726252550333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5045 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (204174).

22081471 is an apocalyptic number.

2081471 is a deficient number, since it is larger than the sum of its proper divisors (368617).

2081471 is a wasteful number, since it uses less digits than its factorization.

2081471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2081471 is about 1442.7303975449. The cubic root of 2081471 is about 127.6801707574.

It can be divided in two parts, 2081 and 471, that added together give a palindrome (2552).

The spelling of 2081471 in words is "two million, eighty-one thousand, four hundred seventy-one".

Divisors: 1 7 49 107 397 749 2779 5243 19453 42479 297353 2081471